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Trooper John Albert Barragan, left, who worked with Homeland Security Investigators, looks at a table with Mexican artifacts during a news conference at the Mexican Consulate in El Paso, Texas, Thursday, Oct. 25, 2012. More than 4,000 archaeological artifacts looted from Mexico and seized in the U.S. were returned to Mexican authorities on Thursday in what experts say is one of the largest repatriation ever made between the neighboring countries. (AP Photo/The El Paso Times, Mark Lambie)

Trooper John Albert Barragan, left, who worked with Homeland Security Investigators, looks at a table with Mexican artifacts during a news conference at the Mexican Consulate in El Paso, Texas, Thursday, Oct. 25, 2012. More than 4,000 archaeological artifacts looted from Mexico and seized in the U.S. were returned to Mexican authorities on Thursday in what experts say is one of the largest repatriation ever made between the neighboring countries. (AP Photo/The El Paso Times, Mark Lambie)